Acceptable for treating industrial boilers, steam infrastructure, and cooling systems.
NALCO 93033 forms a microscopic protective film over internal metal surfaces. This creates a barrier against dissolved oxygen and acidic compounds that trigger pitting and metal thinning. nalco 93033
She knelt on the cracked bank, a glass vial in her gloved hand. The water looked clear—too clear. It ran fast and cold over rocks that should have been slick with algae but were instead unnaturally smooth, like bleached bone. Acceptable for treating industrial boilers